21589902

素因数分解:

$2^1\times 3^4\times {\mathrm{133271}}^1$

素因数の和:133285

約数の個数: 20

約数和(自身を含む): 48377736

約数和(自身を除く): 26787834

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 133271, 266542, 399813, 799626, 1199439, 2398878, 3598317, 7196634, 10794951, 21589902]

約数ペア:

[(1, 21589902), (2, 10794951), (3, 7196634), (6, 3598317), (9, 2398878), (18, 1199439), (27, 799626), (54, 399813), (81, 266542), (162, 133271)]